-2(-5-3z)=7

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Solution for -2(-5-3z)=7 equation:


Simplifying
-2(-5 + -3z) = 7
(-5 * -2 + -3z * -2) = 7
(10 + 6z) = 7

Solving
10 + 6z = 7

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-10' to each side of the equation.
10 + -10 + 6z = 7 + -10

Combine like terms: 10 + -10 = 0
0 + 6z = 7 + -10
6z = 7 + -10

Combine like terms: 7 + -10 = -3
6z = -3

Divide each side by '6'.
z = -0.5

Simplifying
z = -0.5

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